1*412f47f9SXin Li /* 2*412f47f9SXin Li * Coefficients for single-precision asin(x) function. 3*412f47f9SXin Li * 4*412f47f9SXin Li * Copyright (c) 2023, Arm Limited. 5*412f47f9SXin Li * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception 6*412f47f9SXin Li */ 7*412f47f9SXin Li 8*412f47f9SXin Li #include "math_config.h" 9*412f47f9SXin Li 10*412f47f9SXin Li /* Approximate asinf(x) directly in [0x1p-24, 0.25]. See for tools/asinf.sollya 11*412f47f9SXin Li for these coeffs were generated. */ 12*412f47f9SXin Li const float __asinf_poly[] = { 13*412f47f9SXin Li /* Polynomial approximation of (asin(sqrt(x)) - sqrt(x)) / (x * sqrt(x)) on 14*412f47f9SXin Li [ 0x1p-24 0x1p-2 ] order = 4 rel error: 0x1.00a23bbp-29 . */ 15*412f47f9SXin Li 0x1.55555ep-3, 0x1.33261ap-4, 0x1.70d7dcp-5, 0x1.b059dp-6, 0x1.3af7d8p-5, 16*412f47f9SXin Li }; 17